#content {
    background: rgb(247, 247, 247);
    padding-top: 20px;
}

.content-grid {
    width: 70%;
    height: 1000px;
    margin: 0 auto;
    /* border: 1px solid red; */
}


/* 左边列表 */

.box-left {
    width: 190px;
    height: 800px;
    border: 1px solid white;
    background: white;
}

.title1 {
    font-size: 25px;
    font-family: "KaiTi";
    font-weight: bold;
}

.title2 {
    font-size: 15px;
}

.left-nav {
    /* width: 75%; */
    margin: 0px auto;
    margin-top: 20px;
    padding-left: 10px;
    padding-bottom: 10px;
}

#nav1,
#nav2 {
    border-bottom: 1px solid rgb(206, 206, 206);
}

.left-nav p {
    margin-bottom: 15px;
}


/* 右边 */

.box-right {
    /* width: 100%; */
    width: 1100px;
    height: 800px;
    background: white;
    overflow: hidden;
    /* position: relative; */
}

.right-nav {
    width: 100%;
    height: 100%;
    margin: 0px auto;
    /* margin-top: 20px; */
    /* position: absolute; */
    overflow: hidden;
    display: none;
}

.nav-top {
    background: rgb(241, 241, 241);
    width: 98%;
    height: 40px;
    margin: 0px auto;
    /* margin-top: 10px; */
    padding-top: 10px;
}

.top-span {
    padding-left: 15px;
}

.top-select {
    width: 100px;
}

.a {
    color: red;
}

.top-table {
    border: 1px solid rgb(241, 241, 241);
}